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All results from a given calculation for C3H5 (Allyl radical)

using model chemistry: PBEPBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 2A2
Energy calculated at PBEPBE/6-31G**
 hartrees
Energy at 0K-117.093913
Energy at 298.15K-117.098075
HF Energy-117.093913
Nuclear repulsion energy64.510277
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3199 3155 18.40      
2 A1 3100 3058 4.81      
3 A1 3082 3040 15.07      
4 A1 1485 1464 1.87      
5 A1 1244 1227 1.00      
6 A1 1018 1004 0.09      
7 A1 411 405 0.01      
8 A2 750 740 0.00      
9 A2 534 526 0.00      
10 B1 981 968 15.89      
11 B1 774 763 68.37      
12 B1 517 510 12.93      
13 B2 3197 3153 5.06      
14 B2 3095 3052 7.17      
15 B2 1496 1475 0.21      
16 B2 1385 1366 4.81      
17 B2 1210 1193 0.14      
18 B2 907 894 0.08      

Unscaled Zero Point Vibrational Energy (zpe) 14190.9 cm-1
Scaled (by 0.9863) Zero Point Vibrational Energy (zpe) 13996.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-31G**
ABC
1.81121 0.34040 0.28655

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-31G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 0.444
H2 0.000 0.000 1.542
C3 0.000 1.235 -0.197
C4 0.000 -1.235 -0.197
H5 0.000 2.172 0.364
H6 0.000 -2.172 0.364
H7 0.000 1.303 -1.289
H8 0.000 -1.303 -1.289

Atom - Atom Distances (Å)
  C1 H2 C3 C4 H5 H6 H7 H8
C11.09821.39121.39122.17312.17312.16832.1683
H21.09822.13292.13292.47052.47053.11673.1167
C31.39122.13292.46961.09203.45231.09422.7630
C41.39122.13292.46963.45231.09202.76301.0942
H52.17312.47051.09203.45234.34321.86743.8480
H62.17312.47053.45231.09204.34323.84801.8674
H72.16833.11671.09422.76301.86743.84802.6063
H82.16833.11672.76301.09423.84801.86742.6063

picture of Allyl radical state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C3 H5 121.648 C1 C3 H7 121.012
C1 C4 H6 121.648 C1 C4 H8 121.012
H2 C1 C3 117.431 H2 C1 C4 117.431
C3 C1 C4 125.139 H5 C3 H7 117.340
H6 C4 H8 117.340
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.030      
2 H 0.099      
3 C -0.261      
4 C -0.261      
5 H 0.115      
6 H 0.115      
7 H 0.112      
8 H 0.112      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.069 0.069
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.515 0.000 0.000
y 0.000 -17.497 0.000
z 0.000 0.000 -17.375
Traceless
 xyz
x -4.079 0.000 0.000
y 0.000 1.948 0.000
z 0.000 0.000 2.131
Polar
3z2-r24.262
x2-y2-4.018
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.903 0.000 0.000
y 0.000 7.648 0.000
z 0.000 0.000 4.732


<r2> (average value of r2) Å2
<r2> 50.479
(<r2>)1/2 7.105